| Reference | {Deposit:: SOVIET GEOGRAPHY. VOL. 10, 1969, P. 627}{Deposit:: SHABAD, T., BASIC INDUSTRIAL RESOURCES OF THE USSR. COLUMBIA}{Deposit:: UNIV. PRESS,NEW YORK. 1969, P. 100.}{Deposit:: METALS SOURCEBOOK. MARCH 3, 1975, P. 4.}{Deposit:: IRON AND STEEL WORKS OF THE USSR. METAL BULLETIN BOOKS LTD.}{Deposit:: 1992, P. 6.} |